PON1/9305

Notification details

Status	Completed
First observed date	28 February 2020
First observed time	15:05
Incident type(s)	Chemical release
Organisations involved	Valaris plc, Chrysaor Production (U.K.) Limited
Installation	Ensco 120
Installation type	Mobile
Field	J-Block
Latitude	56° 43' 31.115'' N
Longitude	2° 12' 26.23'' E
Quadrant / block no.	30 / 7

Chemical 1

Chemical product released	BARITE (ALL GRADES)
Total quantity of chemical released	0.533 kg

Chemical 2

Chemical product released	Baracarb (all grades)
Total quantity of chemical released	0.009 kg

Chemical 3

Chemical product released	CALCIUM CHLORIDE (ALL GRADES)
Total quantity of chemical released	0.028 kg

Chemical 4

Chemical product released	LIME
Total quantity of chemical released	0.01 kg

Chemical 5

Chemical product released	Saraline 185V
Total quantity of chemical released	0.32 kg

Chemical 6

Chemical product released	TRUVIS
Total quantity of chemical released	0.007 kg

Chemical 7

Chemical product released	VERSACLEAN CBE
Total quantity of chemical released	0.024 kg

Chemical 8

Chemical product released	VERSATROL M
Total quantity of chemical released	0.007 kg

Formal investigation

Formal investigation ever opened	Yes

Close off details

Release ever ongoing	No

Source details

Source	Mud Blown From Drillstring